Analysis

  • max time kernel
    140s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 11:09

General

  • Target

    JaffaCakes118_795a9ab1c50a489c4a660216a12a5870.exe

  • Size

    568KB

  • MD5

    795a9ab1c50a489c4a660216a12a5870

  • SHA1

    be179a878cdd2f77aad4b49e5956dc7a1a969646

  • SHA256

    68c0ab440d4fe9d1189bc139ae58dc74c93b6b80e237fd672c5d0b6cd72e0fde

  • SHA512

    fa8c532735b4a07ad1550b82057149d5ccc2b37fa33f46c2192476dfdbb86524cb51fb78f171f1b969e69913aaaf4e0b3053fcbc5f3a94a240a079cb5566b61c

  • SSDEEP

    12288:DJ9KBM5egagUA7xHx/p/tAqad3mE/ObtxdqzOBtbA3p:tgMs0FRBVAZd3F/OtxBq

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

  • Expiro payload 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_795a9ab1c50a489c4a660216a12a5870.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_795a9ab1c50a489c4a660216a12a5870.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?LinkId=9996
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2120 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    e2c30262baaa023ab80b06bd436a255f

    SHA1

    2c061442e5400124bd6ef0098f07b8eaa5f4ee95

    SHA256

    717050d167068fbbdf6cab0be7b5f2acdae36b0ae1b3d8abcb924442b75a3328

    SHA512

    9389207b28654f36c5f84feee506872171038080491f98c6e9e99d7660c80e460ada298ebb7b1fc6e6b234ea43f247618209c2491f5c10cbc91c4461d2e25439

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    440d4a9168f167a3d315c52acaa098cf

    SHA1

    b120e0056373b3b2a0da858d39bad78ef8e50f5e

    SHA256

    ce2fcae98a44bb6c09d8230ef25b1a06bacc26d20022daca7e57ae2a2fdf8d50

    SHA512

    f7e8bae1860ba37916e374ce29372879c4e96ac5a3495c35d06571e5174279a062780b191fbde799f16d04c21c7e342b1fb8d020f86bf263615725bf8d4995aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    a328594f9d1c8f68dc328072a747c807

    SHA1

    52a4e8b00c7c8c64df6ec1968da06bf53bc9fc83

    SHA256

    9dadf7b8407c1414404ae2c5a97f19e082850213cbb8ddea0656859352fafce1

    SHA512

    44dade0d97da041b2e7684991d3de3651b3b6220f201445b73bc436b664aa33dcffcad380e5ef2469f18250e5a7c3a7387a79402137378d63548c1fbace1fee7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    7357d4b55baefc4284eab1faae837d0e

    SHA1

    d8847adab7191cbc6270cdc4935466e0fa56896c

    SHA256

    859e3406fffaeb4537e352c81e83b674bfe54af904bbd5341f6087105f0aef9a

    SHA512

    d902a1dbeee5dd007ef94fe83770ac803646ff2022a9e96ac0cb1ed3284e0d0b3933b8280d0f23086365fde99412f3249d9a11bac4ca9fa348b0735af780abcd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    9cab7da18067fe965d3f62abc484ae7a

    SHA1

    e2ce7780be2fa1cc9ee29c6d21524a023d3ee3d3

    SHA256

    ea97d879c7aafbceae59dd30cfce3241e5b3ac532aad4c29b1de912dfbc13efc

    SHA512

    19e682156327bfe0a17466c8c8c2e88fff90389c5160f81a3a8ab78faae489c80da46a1e1be04c297b540a4756908fa55a36ef47325afb73d98e315eea3d6951

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    2b1bfb0c55abb6ebab24ba099a4469b8

    SHA1

    bc96cef190bb753e97d1ab2dc8793ae09bfbf634

    SHA256

    b6c8ac006af20d1ef7e5aebed7563c83444d9bd9d4f2d7afb1f73aaf80c4c804

    SHA512

    148136e92b1564726321f006e92e56dc92fbfe1f27cc2bbdc442c7fea619e3ba3d1a55c9cb7b55624732ff8443789173b1b59befd5def271a1c20d6144691d29

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    55983d76db9657bb6d8ba951f31516c9

    SHA1

    4e8a9e84ab61ae60106c89cd3838cc0b907b84b9

    SHA256

    fff0354d7d07822636cd45ca4d1a4076b5e4e8b2652e6ba662ce548db4914309

    SHA512

    fd1226899c923b5d32f15d3f71d36c826bcaf63577d2b7068278d5e8817ca9533414c5a47c2f8171b1a15061c7929118b4b602b477774f49a3e07f27932c1197

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    cfac84d104a3809534145d2c0958ba9a

    SHA1

    2d51fd0d7a34bda30ce33295f39a5da1b194300b

    SHA256

    932245c54c730cc35bca85aa4a94d84b6e142a5ee1357b705b87b87f3987eb13

    SHA512

    39ee831885b69d19ee470978fff2b6fbc8d820998224875d68c658983bc96f572e7ecbebf7c60488e01b49312cb81395d339b1743803a9f9e0a3cd86172cfd24

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    15211ae87eb90c85f34a47a6b1026c8a

    SHA1

    6d377674ff9ea0653f5d386791fa9bc27d27ca7a

    SHA256

    a9a972addbc0d3d866f53fe2e05fda72ead918e1996a8b785ba18b22b99a8919

    SHA512

    e106a61a2139584137122f83aa5593662d9e8c121093ba47202ee0c25a5a7a94bb7166a1f1672151c8432a6373c3597e32821d65d5ac9c7e97179a600785527a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    6a36e2896ee25c3650b42e1d1d855812

    SHA1

    80d97f2ae838d1cbe36844c3415135be1c3deada

    SHA256

    9e08caae5720664a3d802f0dce4058b7f1a129595dd552f8b363acd0682a2179

    SHA512

    9b164b12cd70b94da8a740bb588407e9b217a43c2a91b71b34c0acb183b3eeb5619976bca07a9a33d6e2abde40323649a85302b71a3b9b8d15c73ef13dd1a62c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    47463a18c2338bdc0d6e7b053e339ac6

    SHA1

    d8c6db4c6bdd2e7297bd29ec8a4e37ebef8e09c3

    SHA256

    f4232154623800831773f7649ea96c0572e21720ba4125f4905bfdf5dd702e05

    SHA512

    ef183931fc4ffbaf15a143680331385867e61ee5f9e9105db46bfa7528f8073f8636e91ff3f66d0f3ce63ece01939151ae4dc93ed2eb862961ea43d74e0fb98e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    80d329dd8af57563c42d52a35be6dad3

    SHA1

    31e14eff9e539ec9cb538fc6c39aad79919b9564

    SHA256

    75a186e10c6ff67a0a38e773f0785d5c26bc62eba88a11f799d5418ded83ecfe

    SHA512

    b89863943ae35aab7cc9af04908820f795cc287400b52786c96974fbbd02dc8b4895ee34d1ccb30f9bb19c7426d94bb2d90df08984f8e7e30939de8fa6c3fb63

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    b6dfe59d83a53131fdc186ebdd983fdf

    SHA1

    b778d72c7664f2a49a8465df1232d542b9f01970

    SHA256

    eb46e459788772614e1774e41f02a8c81ed37ea1ed36af669146b8aa7c12a4a2

    SHA512

    d5233d93d276e5272bf033aae3f1b83fdf96193100cb18d232f4df1139d50083db4ebceb09d66d1f2cf1954c5f39d03637983a6bf23e2db4853c51d25fcaba23

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    0fe4d90f67794d972c259abb2b07ffa6

    SHA1

    869e5abb233fbf91b89e0544cf62ee9e5036d60f

    SHA256

    040f0f6906fc795c290cf07f403ae9466cd72409dcec7b66eb355496d0ecc3c4

    SHA512

    b1680461f3670f929c4b9be0294dea26ed5eb2a9a8262246a3ae8a6d2e6a92558a7dffc88137129c718dad33c80c0eb0755f5849cc6cb5d43bf5444ed33222b5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    b96489cbc8968220f500973ad1dc9f48

    SHA1

    a73e477b6adf8ce6f20bc055bfaa4ba5beb7bae5

    SHA256

    6dcb9ab5121fbb151770b5cfe765812b9c8e27c21d871495a74c52c774a9fb1a

    SHA512

    773ad5e11c2a4594aa84122febcdb1d48e93181a322b95dadd44c4854b33f9a54512c955ab513c7f4291e16ba79cfc86afe9fecbc458f468732b471a1678d364

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    b01cc8d2065c68535c65a90285c89964

    SHA1

    0e5ca5e0ffeed35ff00c90133f4b6dc6b6c7f328

    SHA256

    a666c6e59ebeaf4a1975bb5da09822cf421fad763e9e10c19cf0b6435b36cfc5

    SHA512

    83da590da0bf1397e8002ca15b8dd7441547ec4c0ad7baac5a585115e1390af3e50b0a6629c3ea41f6616cd8233897377bfdea25857cb1cda99d516f74cb770b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    62d111e963a12f9a809db24f8c944a47

    SHA1

    0aeee30aff05ad511f8fd24a526e8b3035c6afb9

    SHA256

    54bf1cd5c8280806c4b173b092f5fd98a7a2fd81f2672dc02823f377bcb6297d

    SHA512

    03d291f3bcd5f1d9c39c8f0ca9f8cce2bce8ad992a5447b87a66b7f8761df7501d7203e9eb0851a819f6e55275e00eb3ff68d9c2cf97d9323126a939985a417c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    afa41443c9b254bb4c4a24b715ccf58f

    SHA1

    82e71e99b659e51b9aefb4f1d45ee046304e6f83

    SHA256

    1678bdf1906ea2356d1c9184797e5c642c52d75e82545b140582bbc5843d9093

    SHA512

    91c8fc8d2b17f8dcab8fa140c2561a663848f79602d989f93be22bcbfb946820f3b5a9aca0b359f2c23cebf5160e2a1781a70faa6a94c7e2154a1762c85d4247

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    88b54663402f84e41767ac06285af924

    SHA1

    e1bad8f6dc7fb8f20f66214a95a427b59bf19abf

    SHA256

    dfe7dd55c50e4e5884ee2b9de65dea9db54b05ae5217b599600208212098e06d

    SHA512

    72ec32b46dd1278e0d43d208787777f1a04b2971d8e7d46ebd0420edb0d9bd19d5724e04f43fe7fa456ccf475e8d07517d85159459d69fb64b7b8bc4ed52d3cf

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    6b92a04e8c676aa8d8176ae6deebf975

    SHA1

    f3f56b5470cb021f318d6034596865cc3c963908

    SHA256

    eb3949594aa5a4f51159ddac04de8978b30b1954de307d8e559efdd276d9a924

    SHA512

    93c0bc00d7c4dadb375f6f438c25f6ddc077b09284368cdf0c186080d77f425bbb69d4d56c8f5f026324c0b0180b82bd18231ccfeb736d839297b84fe0cdf5ac

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c64c25e18dac5130a453a66b60f8acec

    SHA1

    317befe1637d9f658c6a7958edff03a9904b97bb

    SHA256

    bc52799750f2bfdeffd82839ecfa6b021f1ad7d743d5cd498f804e90531e527a

    SHA512

    8e8038a7a74dfd7483725682652b8435df5b5df7893cb08c152d8a55172c95a2818f908ba7e0e759b405631a90dc1f3fb10bc45f4f0cf071a8c2962c7d9cbd92

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c039f93d794cd7a6d468d54876178817

    SHA1

    fd4b5342e1ae01d83c99afe491bb2afa95b36e53

    SHA256

    e93f2a28c8870aad32dc506b804a3d27bece7e87cc43a6656d84cbed12103f93

    SHA512

    04df98f8f23f5a78c4fd5faa0b5a812e9025d3534dfd67b01227fb9815db6298179e7314637bc9393e334131c30b410d3e0d5d148fc9e7f71c5f8e9525b50be9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    062ac21f76f998ef48b845deb389b007

    SHA1

    2cabc7e0786268d58ebcf13059ffedd86da949d9

    SHA256

    994cf53c9d607c7a3493201b41aad71e903d4dbde3c003319de178a0917ab583

    SHA512

    1d3871694d07181a2fcfe8b58d011202231ee5a503529d0d38cd0548d2908ac79f1fd64879ab6dbdc9e4c46a1e92414a2e7278d6c794b4cc0d9df5d632140a25

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    da3636dee2c1650507552309d5d6525f

    SHA1

    0b123771f29f207577e4eeec02991f5fe4e873e1

    SHA256

    6320261e474cf8ba381a5e6d71b3ef496419832091a05721315f4f4af58027e8

    SHA512

    8f5c80eb903b087e9e8ba42032c2af916eb498111a372e0442e756beef7eec8d06b6f9ead25d90e63f5b30623f9e740dc09d04f8b58ea3070eff7f4f4183e9c2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    a0915b9e71f25248d6b2f8397191f58e

    SHA1

    4b005f84c15a18c9b131ebf3f59aa7d93c9f67af

    SHA256

    21fffa9e60868d786d5ab22a19d830d4d3f04f16b70a17aa64e32af9f5de04c6

    SHA512

    7465f268323b4cc7a17fe802b2f8459306833b836682ca1d1fd5fb0577b101d6ed24272c658da668477302704636a0c9e4436d8515ff19a58cf7763a23ae26a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    333dc46381840ddf1a59e8e2eeb27c7f

    SHA1

    0c65c0d6e597c6a2a86efa5302825ed8c26293a9

    SHA256

    58a99161d17bf6c577240ab05ee222fb3d66b3be344690d4b3995a6960ee35f6

    SHA512

    5608065550aff06037f167af27d6ee3ff2c63cdc2cc96447298bb50180bf551ff34c8a7f0515d9bc82c9aa888640cd317550800f741f8526190945e43623b039

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    d0c0c0db51b440cb3fca1f708c7ec9c0

    SHA1

    07c09966621fd5b3adc1c03bf469d48e7af026bb

    SHA256

    2010de1435f15fde8986df8f145f7f0f1ee7180014498a5869b09f7103f75b3f

    SHA512

    47e3150558b0f6bd32f89b9a1dd4592b44f377af061e1f386fe1cd8cb1ac17dade7010b59edeecb8c7b20b0f0e288f70bc81c72b805b6c07ae87608c5b4b9af2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    94134fbfb4d9b44532e3204cc4459de4

    SHA1

    7045c9688b87372ff1edd950f763b122bfb7647c

    SHA256

    a269154c10dcf110dc1d4e24716d7c18eb7f0323c672bc1059de800221d789df

    SHA512

    68775173eb8ebd52bfc7a91f590bee1be86e14ae4d56c46ba571e5acf056cdae6388f3c3450fbd49aebdfc05fd841070c1ed83587161a0d7fe90a542c24297d9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    d56acfae61aa74554a633c3d55c74705

    SHA1

    d67084900d3e8c36650848af942e7c5381ec5b57

    SHA256

    aee116e3f4811ee9d86524389ffdb84900243032339a65de0d4307ade6103f1d

    SHA512

    bfd9f053a701ea4a2c263e777a7821f135b40dc405381ee52a06e1f9d1df88fcb1cdc70bcefd70ae13220914e559ede1ca64c1913c5137bd8f382ce20a5db72a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c4cfcdf6a4faf2d7fc86e32360b5340c

    SHA1

    18ab4ce5bf8dfc404f208a94548bdc64aa0e827f

    SHA256

    c8d092e9605bd9428eb46b0b46f9934d576d896e064ae2b27138da7425821448

    SHA512

    ff91a29b559523fb939c4b6f6666df87d95402e2438ab8c63992aedb674394025a4568ba92bd4de4d19e3ffca23f9e3d17dc19c1cc665545b294abcafd8f4f90

  • C:\Users\Admin\AppData\Local\Temp\CabCE48.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCEB9.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1952-0-0x0000000001000000-0x00000000011B0000-memory.dmp

    Filesize

    1.7MB

  • memory/1952-2-0x0000000001000000-0x00000000011B0000-memory.dmp

    Filesize

    1.7MB

  • memory/1952-1-0x0000000001001000-0x0000000001002000-memory.dmp

    Filesize

    4KB